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Restructuring Charges (Summary of Pretax Charge) (Details) (Americas [Member], Discontinuation of Certain Glassware Production in North America and Reduction of Capacity of Shreveport Facility [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Americas [Member] | Discontinuation of Certain Glassware Production in North America and Reduction of Capacity of Shreveport Facility [Member]
 
Restructuring Cost and Reserve [Line Items]  
Restructuring charges $ 1.0us-gaap_RestructuringCharges
/ us-gaap_RestructuringPlanAxis
= lby_DiscontinuationOfCertainGlasswareProductionInNorthAmericaAndReductionOfCapacityOfShreveportFacilityMember
/ us-gaap_StatementBusinessSegmentsAxis
= us-gaap_AmericasMember